{"id":"CVE-2026-111653","revision":"68f13dfd202c41848daa3efaccf7d67c","records":[{"revision":"68f13dfd202c41848daa3efaccf7d67c","observedAt":"2026-10-23T17:48:20.538+00:00","statement":{"source":"cve-program","id":"CVE-2026-111653","aliases":[],"title":"53AIHub through 0.5.3 Missing Authentication via PUT /api/enterprises/:id","description":"53AIHub through 0.5.3 contains a missing authentication vulnerability that allows unauthenticated attackers to overwrite any enterprise's profile by sending PUT requests to /api/enterprises/:id. Because UpdateEnterprise only enforces checks when IS_SAAS is true, attackers can enumerate sequential enterprise IDs and overwrite logos, display names and branding for defacement and phishing.","state":0,"publishedAt":"2026-10-16T17:39:20.03+00:00","modifiedAt":"2026-10-23T16:02:24.828+00:00","affected":[{"ecosystem":"Vendor product","name":"53AIHub","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"53AI\",\n                    \"product\": \"53AIHub\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"0.5.3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/53AI/53AIHub\",\n                    \"repo\": \"https://github.com/53AI/53AIHub\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://hackmd.io/@hieuPenguinnn/53aihub-unauth-cross-tenant-enterprise-update","https://github.com/53AI/53AIHub/blob/v0.5.3/api/router/api.go#L54-L66","https://github.com/53AI/53AIHub/blob/v0.5.3/api/controller/enterprise.go#L122-L160","https://www.vulncheck.com/advisories/53aihub-through-0.5.3-missing-authentication-via-put-api-enterprises-id"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111653","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111653","identifiers":["CVE-2026-111653"]},"retained":false,"historicalAffected":[]}],"coverage":[]}